5.4 Flashcards
chem
1
Q
what are the five groups in the periodic table?
A
alkali earth metals, alkaline metals, halogens, noble gases, and transition metals
2
Q
what is the significance of the staircase
A
separate non metals from metals
3
Q
what can rows be called?
A
periods
4
Q
what can columns be called?
A
groups or families
5
Q
what does reactive mean?
A
how likely an atom will take part in a chemical reaction
6
Q
how is the periodic table arranged?
A
increasing atomic numbers or the number of protons
7
Q
are non metals good conductors?
A
no. however, they are good insulators
8
Q
true or false: metalloids have properties or both non metals and metals
A
true
9
Q
what is the state of metals at room temperature?
A
solid
10
Q
A